AI summary pending
View Full Filing (SEC EDGAR)Atkore Inc
$94.960%
+$366.3M
Net Activity
+11.46% total shares
Institutions Holding
330
Popularity Rank
#1918
Avg Weight
0.10%
Total Value
$2.6B
330 institutions currently hold ATKR, with 190 net buyers and 129 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
129
Net Buying Institutions
190
Top 5 by Value
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Across its top 20 institutional holders, ATKR's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 8/100, avg. turnover score 35/100).
ATKR ranks #1918 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
330 institutions disclose a position in ATKR, but none treat it as a major bet — even Oslo Pensjonsforsikring As, its most concentrated holder, allocates just 3.3% of its own portfolio to it.
GAMMA Investing LLC has added to its ATKR position for two straight quarters, increasing it by $24.5K to reach $41.2K today.
ATKR is up 0% today, and institutions have been net buyers of $366.3M this quarter — today's price move and the underlying institutional flow are pointing the same direction.
ATKR reported a net loss of $162.7M over the trailing twelve months.
+$479.2M
Total Buy Value
$331.0M
Total Sell Value
190
Net Buyers
129
Net Sellers
ATKR
Q2 2026
Top 5 Institutional Movers
ATKR does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
1
Filings (90d)
$28K
Total Est. Value
300 shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| MARK LAMPS | 2026-08-10 | $28K |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
1
Active 5%+ Holders
| Reporting Person | Type | Filing Date | % of Class |
|---|---|---|---|
| Gates Capital Management, L.P. | 13G/A | 2026-08-14 | 5.1% |
5
Filings (14d)
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View Full Filing (SEC EDGAR)047649108
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,134
Total reported value
$712.8B
Held by 4134 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,112
Total reported value
$390.3B
Held by 4112 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,086
Total reported value
$377.7B
Held by 4086 institutions — one of the most-tracked stocks on AlphaSMO
Access ATKR's institutional ownership data programmatically:
REST API
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